| 436 / | HD | CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING |
| 518 | DF | INVOLVING AN INSOLUBLE CARRIER FOR IMMOBILIZING IMMUNOCHEMICALS {4} |
| 528 | DF | .~ Carrier is organic {3} |
| 531 | DF | .~.~ Carrier is synthetic resin {2} |
| 534 | ![]() | .~.~.~ Carrier is water suspendible particles |